/*
 * (C) 2009, Elephant Seven Hamburg Gmbh, 
 * Author: Detlev Wiese
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 * use this file except in compliance with the License. You may obtain a copy 
 * of the License at
 *  
 *     http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.se and its accompanying notice file is
 * included with the distribution. 
 */ 
package com.e7.streams;

/**
 * The abstract super-class for streams with wrapped methods. No 
 * effective functionality is provided here, except from method 
 * forwarding. 
 * @param <E> The element type of the stream wrapped
 */
public abstract class WrappedStream<E> extends AbstractStream<E> {

	private Stream<E> wrappedStream; 
	
	// Deny instantiation without a wrappee
	private WrappedStream() {} 
	
	/**
	 * Create an instance!
	 * @param stream The stream to be wrapped by the receiver
	 */
	public WrappedStream(Stream<E> stream) {
		this();
		wrappedStream = stream; 
	}
	
	public boolean hasNext() {
		return wrappedStream.hasNext();
	}

	public E next() {
		return wrappedStream.next();
	}
}
